Updated xz packages fix security vulnerability

Buffer overflow in lzmaindexappend. CVE-2026-34743...

XZ Utils: Buffer overflow in lzma_index_append()

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CVE-2026-34743

A flaw was found in XZ Utils. When the lzmaindexdecoder function processes an empty index, and a subsequent lzmaindexappend operation is performed, insufficient memory is allocated. This can lead to a buffer overflow, potentially causing a denial of service DoS for affected systems...

AZL-81800 CVE-2026-34743 affecting package xz for versions less than 5.4.4-3

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

AZL-81908 CVE-2026-34743 affecting package rust for versions less than 1.90.0-7

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

CVE-2026-34743

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

AZL-81905 CVE-2026-34743 affecting package rust for versions less than 1.75.0-28

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

ALPINE-CVE-2026-34743

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

UBUNTU-CVE-2026-34743

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

CVE-2026-34743 XZ Utils: Buffer overflow in lzma_index_append()

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

CVE-2026-34743

XZ Utils contains a vulnerability (CVE-2026-34743) in lzma_index_append() when decoding an empty index with lzma_index_decoder(), which could leave the index in a state that permits a buffer overflow. The issue affects versions prior to 5.8.3; a patch is available in 5.8.3. Affected component is ...

CVE-2026-34743

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

CVE-2026-34743

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

EUVD-2026-18505

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

CVE-2026-34743: Heap-based Buffer Overflow

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

XZ Utils 安全漏洞

XZ Utils is an open-source utility developed by Tukaani. Versions of XZ Utils prior to 5.8.3 contained security vulnerabilities. These vulnerabilities stemmed from abnormal states during the decoding of unrecorded indexes by lzmaindexdecoder, which could lead to insufficient memory allocation...

Slackware: Security Advisory (SSA:2026-090-01)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Linux Distros Unpatched Vulnerability : CVE-2026-34743

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index tha...

[slackware-security] xz

New xz packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/xz-5.2.13-i586-1slack15.0.txz: Upgraded. This update fixes security issues: Fix a buffer overflow in lzmaindexappend. Fix invalid memory...

PT-2026-29689

Name of the Vulnerable Software and Affected Versions XZ Utils versions prior to 5.8.3 Description XZ Utils, a data-compression library and command-line tools, had a flaw where the lzma index decoder function, when processing an Index without Records, could leave the lzma index in a state leading...